data/items.xsd

<?xml version="1.0" encoding="ISO-8859-1" ?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

	<xs:element name="items">
		<xs:complexType>
			<xs:sequence>
				<xs:element name="item" maxOccurs="unbounded" minOccurs="1" >
					<xs:complexType>
						<xs:sequence>
							<xs:element name="title"   type="xs:string"   minOccurs="0" />
							<xs:element name="authors" type="xs:string"   minOccurs="0" />
							<xs:element name="source"  type="xs:string"   minOccurs="0" />
							<xs:element name="other"   type="xs:string"   minOccurs="0" />
							<xs:element name="link"    type="xs:anyURI"   minOccurs="0" />
							<xs:element name="image"   type="xs:anyURI"   minOccurs="0" />
						</xs:sequence>
					</xs:complexType>
				</xs:element>
			</xs:sequence>
		</xs:complexType>
	</xs:element>

</xs:schema>